His daughter said Eusan helped train airmen who went on to make history as the first African American pilots to fight in World War II. He and his fellow airmen were awarded the Congressional Gold Medal by President George W. Bush, his daughter said.

After the war, Eusan taught sixth grade in the San Antonio Independent School District.

“(His students) loved him to death,” said Clarence Hill, his friend since 1943. “He always kept them in the right direction.”

Eusan also taught at St. Philip's College.

“Teaching was genetic; it's in the blood,” she said. “We're all educators.”